If z-2z-4-find the value of z2-4z2

Given z+2z=4 Squaring on both sides (z+2z)^2=4^2 z^2+(2z)^2+2(z)(2z)=16 z^2+4z^2+4=16 z^2+4z^2=12 ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Basic Inverse Trigonometric Functions

If z+2z=4,f...

Question

If $z + \frac{2}{z} = 4$ ,find the value of $z^{2} + \frac{4}{z^{2}}$

Open in App

Solution

Suggest Corrections

Similar questions

z_{1}

z_{2}

z + ¯ z = 2 | z - 1 |

a r g (z_{1} - z_{2}) = \frac{π}{4}

I m (z_{1} + z_{2})

z_{1}

z_{2}

z + ¯ z = 2 | z - 1 |

arg (z_{1} - z_{2}) = \frac{π}{4},

I m (z_{1} + z_{2}) =

z_{1}

z_{2}

z + ¯ ¯ ¯ z = 2 | z - 1 |

a r g (z_{1} - z_{2}) = \frac{π}{4}

(z_{1} + z_{2})

{(x + y)}^{3} - z^{2} = 4

{(y + z)}^{2} - x^{2} = 9

{(z + x)}^{2} - y^{2} = 36

x + y + z

z^{2} - 2 z + 4 = 0

{(\frac{z}{2} + \frac{2}{z})}^{2} + {(\frac{z^{2}}{4} + \frac{4}{z^{2}})}^{2} + {(\frac{z^{3}}{8} + \frac{8}{z^{3}})}^{2} + . . . . . . . . + {(\frac{z^{24}}{2^{24}} + \frac{2^{24}}{Z^{24}})}^{2}

Join BYJU'S Learning Program